Improvement in grain-separators



W. W. INGR'AHAM.

GRAIN-SEPARATOR.

N o.180,4=Z8-.

Patented Au. 1(1876.

-PETERS, FHOTO-UTHOGRAFHER. WASHINGTON n C.

l UNITED STATES WILLIAM W. INGRAHAM, OF CHlCAGO, ILLINOIS, ASSIGNOR O FONE-HALF PATENT OFFICE.-

HIS RIGHT TO EDWARD BEARD, OF SAME PLACE.

IMPROVEMENT lNGRAlN-SEPARATORS.

Specification forming part of Letters Patent No. 180,428, dated August1, 1876; application filed February 3, 1875.

To all whom itmag concern r I Be it known that I, WILLIAM W. INGRA- HAM,of Chicago, county of Cook, State of Iliinois, have invented an ImprovedGrain- Separator, of which the following is a specification, referencebeing had to the'accompanying drawings, which form a part hereof.

My invention relates to that class of grainseparators which makes aseparation by drawing the light grain with the foul material into aseparating-chamber, where the light grain is graded and separated fromthe foul matter.

My invention consists in admitting air directl y into thisseparating-chamber, to regulate the separations therein produced; and italso consists in the pivoted valves and mechanisms for operating them,which control the circuitous direction of the grain through thisseparating-chamber.

In the accompanying drawings, Figure 1 represents a side elevation of mymachine. Fig. 2, the top of the separating-chambers thereof, having thefan chamber removed.

Fig. 3 is a detached plan View of the slide F; v

Fig. 4, a top view of the cylinder G; and Fig. 5 shows a side elevationtaken at the line as a: in Fig. 1, made particularly to show theairopenings 0. V

A is a partition, which divides the separating part of my machine intotwo distinct divisions or chambers. The grain which is drawn overthrough the suction-pipe B passes into, and is separated in, thedivision or chamber C, and is there separated as hereinafter described.The grain which is drawn overin the suction-pipe D passes into, and isseparated in, the chamber E, as hereinafter described.

This invention relates in no Way to the construction of the scouringapparatus G, here shown, and the grain, so far as this invention isconcerned, may pass through any process of cleaning between its passingthe suction-pipe B and the suction-pipe D. The grain is fed into thescouring or cleaning apparatus G at P on the side of the mouth of thesuction-pipe B and Q is a perforated plate on the top of the cylinder Gfor the admission of air for furnishing a blast, which is drawn throughthe grain as it passes into the machine. This blast of air is drawn overthrough the suctionpipe B, and carries what light grain and othermaterial that it takes from the grain as it is drawn through it downinto the chamber 0.. As the grain passes out of the machine it passesthrough the lower end of the suctionpipe D, and another blast of air isdrawn up through the grain, taking from it another separation, which isdrawn over through said pipe D, and is delivered into the chamber E.

Both of the above-described blasts are induced by the actionof thesuction-fan R, and the mechanisms used to control the air-currents andseparate the grain and light matetor H is attached to a loose rod, M,and the two deflectors are connected together by conmeeting-rods N.These deflectors are both moved by turning the shaft L, by means of thecrank S, which projects through a circular slot in the side of themachine. 0 are airholes, covered by slides, for the admission of a blastof air directly into the chambers C and E, to assist in controlling theseparation which takes place in said chambers. The heavy portion of thegrain that is drawn into the chamber C and E falls directly down, andpasses out through the side of the machine at openings I, there being anopening I on each side of the machine. The light grain and the dust,&c., is drawn under the deflector H and between it and the deflector J,up over said deflector against the stationary inclined partition T. Thispartition, extending down below the top of the deflector J, turns thematerial downward, when another separation takes place, and the grainthat remains passes down and out in the openings K in the rear of themachine, while the dust and light foul material is drawn up through thespace U behind the partition T into the suction-fan drum, and is thrownout with the blast from the fan R. The grade of the grain that is takenout at the openings I, from the first separation in the chambers C andE, is controlled by turning the crank S, and thereby regulating theinclination of the deflectors H and J, and the separations are alsoregulated by letting in more or less air through the openings 0. V arepartitions forming conveyers for the grain to conduct it out of themachine.

The openings 0 are also so arranged that the new current of air,passinginto the chambers through them, strikes'the main current, comingdown behind the deflector H nearly at right angles to its course, thusproducing additional agitation and a better separation of the materialthat is brought into the chambers than it the main current of air passeddirectly through without interruption and agitation.

By admitting air directly into the separating-chambers O and E throughthe opening 0, I am enabled to control the air-blast through theseseparatin g-chambers, and have a greater or less draft independently ofthe draftin the suction-spouts B and D.

I claim- 1. The combination of a grain-separating chamber, provided withopenings 0 at one end, a suction-fan arranged at the other end WVILLIAMW. INGRAHAM.

Witnesses:

LEWIS L. OoBURN, HEINR. F. BRUNS.

